Seiko Cal. 4538 - 128

This Solar model from 1986 features a 36mm PVD Black case. Powered by the 4538 caliber with 29j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-ef8dd45fd606]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1986

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