Seiko Cal. 3881 - 949

The 3881-949 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3881 caliber with 36j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-3ab813fa2fe6]

Also known as: Samurai, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1970

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