A rugged Japan-made Seiko 5 field watch featuring a deep blue military-style dial and matching nylon strap. Powered by Seiko’s reliable 23-jewel automatic movement, it offers excellent readability, a practical day-date display and 100-metre water resistance.
Specifications
Movement: Seiko calibre 7S36 automatic
Jewels: 23
Power reserve: Approximately 40–41 hours
Manual winding: No
Hacking seconds: No
Case diameter: Approximately 42 mm
Case thickness: Approximately 12 mm
Lug-to-lug: Approximately 47 mm
Lug width: 22 mm
Case material: Stainless steel
Dial: Deep blue with Arabic numerals
Strap: Blue nylon/canvas strap
Clasp: Stainless-steel buckle
Crystal: Hardlex mineral crystal
Functions: Day and date display
Luminous details: LumiBrite hands and markers
Crown position: 3 o’clock
Case back: See-through exhibition case back
Water resistance: 100 metres / 10 bar
Version: J1 Japan-made model
Size note: The case is commonly listed as 42 mm. Some sellers measure it at approximately 41 mm without the crown and 43 mm including the crown.
