Seiko Cal. 3875 - 528

This Spring Drive model from 1968 features a 41mm Hardlex-Coated Steel case. It features a Silver dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-860525310229]

Also known as: Tuna, Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1968

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