Seiko Cal. 3877 - 374

Seiko 3877-374

This Automatic model from 1988 features a 38mm Stainless Steel case. Powered by the 3877 caliber with 34j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-0e5f95e3003f]

Also known as: Sumo

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
38mm
Case Thickness
8.5mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
190m
Dial Color
Blue Sunburst
Jewels
34j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1988

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