Seiko Cal. 3894 - 686

This Spring Drive model from 1967 features a 37mm Hardlex-Coated Steel case. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-b74f6bb91632]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1967

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