Seiko Cal. 5671 - 683

This Spring Drive model from 1968 features a 44mm Hardlex-Coated Steel case. It features a Green dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-5dd161d8a66c]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1968

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