Seiko Cal. 7139 - 560

This Spring Drive model from 1998 features a 41mm Two-Tone case. Powered by the 7139 caliber with 17j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-88bd1ba21fb2]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1998

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