Seiko Cal. 5681 - 931

Seiko 5681-931

This Hand-Winding model from 1996 features a 42mm Hardlex-Coated Steel case. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-65b722192c77]

Also known as: Monster, Navigator

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
10.8mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
190m
Dial Color
Green
Jewels
27j
Frequency
36,000 bph
Power Reserve
55 hours
Year
1996

Related Models

seikata-wm-65b722192c77