Seiko Cal. 3819 - 851

This Hand-Winding model from 1977 features a 35mm Hardlex-Coated Steel case. Powered by the 3819 caliber with 26j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-543753f389cc]

Also known as: Helmet, Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1977

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