Seiko Cal. 5631 - 453

The Seiko 5631-453 represents an important milestone in Seiko's 1968 lineup. Powered by the 5631 caliber with 33j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-310342f29aef]

Also known as: Samurai, Sea Horse

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1968

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