Seiko Cal. 6257 - 639

Seiko 6257-639

This Kinetic model from 1973 features a 40mm Hardlex-Coated Steel case. With its 18mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-98576c043de7]

Also known as: Monster, Emperor

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
13.7mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Silver
Jewels
30j
Frequency
36,000 bph
Power Reserve
43 hours
Year
1973

Related Models

seikata-wm-98576c043de7