Seiko Cal. 5651 - 903

The Seiko 5651-903 represents an important milestone in Seiko's 1977 lineup. Powered by the 5651 caliber with 17j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-a7f470f6b73e]

Also known as: Turtle, Shogun

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1977

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