Seiko Cal. 3881 - 641

The Seiko 3881-641 represents an important milestone in Seiko's 1978 lineup. Powered by the 3881 caliber with 18j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-3d802a66fb7c]

Also known as: Panda, Goldfeather

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

46mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1978

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