Seiko Cal. 5631 - 868

The Seiko 5631-868 represents an important milestone in Seiko's 1973 lineup. Powered by the 5631 caliber with 24j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-2f3a6685080a]

Also known as: Shogun, Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

24j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1973

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