Seiko Cal. 5251 - 101

The Seiko 5251-101 represents an important milestone in Seiko's 1977 lineup. Powered by the 5251 caliber with 19j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-1b5ab9951ad6]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1977

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