Seiko Cal. 3816 - 628

This Hand-Winding model from 1967 features a 41mm Gold-Plated case. Powered by the 3816 caliber with 29j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-42b026879f11]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

29j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1967

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