Seiko Cal. 7151 - 221

The Seiko 7151-221 represents an important milestone in Seiko's 1974 lineup. Powered by the 7151 caliber with 18j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-77bf62c81b8a]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

White

Jewels

18j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1974

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