Seiko Cal. 7157 - 187

Released in 1975, the Cal. 7157 with design code 187 was part of Seiko's domestic market collection. Powered by the 7157 caliber with 22j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-6a28a8b5951a]

Also known as: UFO, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

22j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1975

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