Seiko Cal. 3881 - 709

Released in 1983, the Cal. 3881 with design code 709 was part of Seiko's domestic market collection. Powered by the 3881 caliber with 21j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-3cf5bbe2ad74]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1983

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