Seiko Cal. 0737 - 421

The Seiko 0737-421 represents an important milestone in Seiko's 1988 lineup. Powered by the 0737 caliber with 33j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-5c41b556abf7]

Also known as: Bullhead, UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

33j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1988

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