Seiko Cal. 7138 - 925

This Spring Drive model from 1999 features a 40mm PVD Black case. Powered by the 7138 caliber with 18j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-6272a59f58af]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1999

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