Seiko Cal. 5641 - 707

This Automatic model from 1971 features a 35mm Hardlex-Coated Steel case. It features a Black dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-c1840551277a]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1971

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