Seiko Cal. 6642 - 548

This Quartz model from 1973 features a 41mm Hardlex-Coated Steel case. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-999e6e85f22d]

Also known as: Crown, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1973

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