Seiko Cal. 6641 - 339

This Spring Drive model from 1977 features a 36mm Gold-Plated case. It features a Champagne dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-59665c328f78]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Champagne

Jewels

26j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1977

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