Seiko Cal. 5651 - 831

The Seiko 5651-831 represents an important milestone in Seiko's 1973 lineup. Powered by the 5651 caliber with 18j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-2fe9c444d55a]

Also known as: Silverwave, Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Cream

Jewels

18j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1973

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