Seiko Cal. 3839 - 380

The 3839-380 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3839 caliber with 31j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-e4019feff117]

Also known as: Monster, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1975

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