Seiko Cal. 3877 - 936

The Seiko 3877-936 represents an important milestone in Seiko's 1975 lineup. Powered by the 3877 caliber with 22j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-15aa8bb70bda]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1975

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