Seiko Cal. 3830 - 147

This Hand-Winding model from 1979 features a 44mm PVD Black case. Powered by the 3830 caliber with 21j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-2bdb8bcfe2e5]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1979

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