Seiko Cal. 3821 - 552

This Hand-Winding model from 1968 features a 37mm Stainless Steel case. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-635ac01bd00b]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1968

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