Seiko Cal. 7139 - 429

This Spring Drive model from 1986 features a 42mm PVD Black case. Powered by the 7139 caliber with 25j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-8f7e38e71b23]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1986

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