Seiko Cal. 3821 - 177

This Hand-Winding model from 1974 features a 39mm Stainless Steel case. Powered by the 3821 caliber with 32j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-4fabfa41153c]

Also known as: Tuna, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Champagne

Jewels

32j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1974

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