Seiko Cal. 6257 - 831

Seiko 6257-831

This Solar model from 1997 features a 41mm PVD Black case. With its 20mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-783bf8d80a13]

Also known as: Helmet, Navigator

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
41mm
Case Thickness
15.2mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Green
Jewels
36j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1997

Related Models

seikata-wm-783bf8d80a13