Seiko Cal. 6257 - 517

This Quartz model from 1971 features a 42mm Titanium case. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-b5689e962a5d]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

42mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1971

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