Seiko Cal. 5651 - 648

The Seiko 5651-648 represents an important milestone in Seiko's 1967 lineup. Powered by the 5651 caliber with 36j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-a1bd13608de1]

Also known as: Turtle, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1967

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