Seiko Cal. 6257 - 548

This Solar model from 1974 features a 45mm Titanium case. With its 22mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-02489fd7cc53]

Also known as: Sumo, Crown

Specifications

Movement

Solar

Case Material

Titanium

Case Width

45mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1974

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