Seiko Cal. 3880 - 632

Seiko 3880-632

The 3880-632 is a sought-after Solar piece from Seiko's golden era. Powered by the 3880 caliber with 21j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-307e14d7ad9f]

Also known as: Bellmatic

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
11.8mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
21j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1978

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