Seiko Cal. 5657 - 246

Seiko 5657-246

This Hand-Winding model from 1977 features a 42mm Titanium case. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-71dbc8b62454]

Also known as: Bullhead, Navigator

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
42mm
Case Thickness
13.8mm
Lug Width
20mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
80m
Dial Color
Silver
Jewels
35j
Frequency
36,000 bph
Power Reserve
46 hours
Year
1977

Related Models

seikata-wm-71dbc8b62454