Seiko Cal. 3881 - 415

The 3881-415 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3881 caliber with 30j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-1ddc85271411]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1967

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