Seiko Cal. 6641 - 831

This Quartz model from 1965 features a 39mm Stainless Steel case. It features a Silver dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-14a82949b415]

Also known as: Turtle

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1965

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