Seiko Cal. 5630 - 855

Seiko 5630-855

The 5630-855 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5630 caliber with 36j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-836658aaa32e]

Also known as: Samurai

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
8.9mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
70m
Dial Color
Cream
Jewels
36j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1978

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