Seiko Cal. 0731 - 694

Seiko 0731-694

The 0731-694 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 0731 caliber with 18j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-541199365ae9]

Also known as: Bullhead

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
11.5mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
50m
Dial Color
Navy
Jewels
18j
Frequency
21,600 bph
Power Reserve
40 hours
Year
1988

Related Models

seikata-wm-541199365ae9