Seiko Cal. 3877 - 277

The Seiko 3877-277 represents an important milestone in Seiko's 1986 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-63eb34ba7e22]

Also known as: Monster, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1986

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