Seiko Cal. 3877 - 674

Seiko 3877-674

The Seiko 3877-674 represents an important milestone in Seiko's 1997 lineup. Powered by the 3877 caliber with 28j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-8bfd9652a0ef]

Also known as: Sumo, Bullhead

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
12.2mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
140m
Dial Color
Green
Jewels
28j
Frequency
36,000 bph
Power Reserve
43 hours
Year
1997

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