Seiko Cal. 6638 - 213

This Quartz model from 1975 features a 39mm Stainless Steel case. Powered by the 6638 caliber with 23j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-eb8be290c346]

Also known as: Turtle

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1975

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