Seiko Cal. 3838 - 877

The Seiko 3838-877 represents an important milestone in Seiko's 1970 lineup. Powered by the 3838 caliber with 17j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-e59eadd88d7b]

Also known as: Sumo, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Cream

Jewels

17j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1970

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