Seiko Cal. 5651 - 231

The Seiko 5651-231 represents an important milestone in Seiko's 1975 lineup. With its 20mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-7b9f0f84a265]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1975

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