Seiko Cal. 5631 - 202

The 5631-202 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5631 caliber with 30j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-67e709837016]

Also known as: UFO, Silverwave

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1974

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