Seiko Cal. 3839 - 457

This Automatic model from 1979 features a 41mm Stainless Steel case. Powered by the 3839 caliber with 36j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-fdbf3358ef47]

Also known as: Monster, Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1979

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