Seiko Cal. 5651 - 693

This Spring Drive model from 1976 features a 37mm Stainless Steel case. Powered by the 5651 caliber with 32j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-e138018a0faf]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1976

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