Seiko Cal. 3880 - 646

Seiko 3880-646

This Automatic model from 1991 features a 40mm Stainless Steel case. Powered by the 3880 caliber with 27j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-f54a256ee854]

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
9.3mm
Lug Width
21mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Navy
Jewels
27j
Frequency
21,600 bph
Power Reserve
59 hours
Year
1991

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