Seiko Cal. 4539 - 137

This Quartz model from 1979 features a 41mm PVD Black case. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-5fdb0ed51deb]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

28j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1979

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