Seiko Cal. 3881 - 577

The Seiko 3881-577 represents an important milestone in Seiko's 1997 lineup. Powered by the 3881 caliber with 33j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-9a677a3c0059]

Also known as: Helmet, Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1997

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