Seiko Cal. 3839 - 622

This Spring Drive model from 1987 features a 46mm Titanium case. Powered by the 3839 caliber with 22j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-abd89ba2ef9d]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

14.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1987

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