Seiko Cal. 3881 - 807

The Seiko 3881-807 represents an important milestone in Seiko's 1971 lineup. Powered by the 3881 caliber with 23j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-1021eae9d7de]

Also known as: Rally, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Burgundy

Jewels

23j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1971

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