Seiko Cal. 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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