Seiko Cal. 3839 - 180

The 3839-180 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3839 caliber with 27j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-68d1a55f9a4c]

Also known as: Sumo, Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1972

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