Seiko Cal. 4548 - 909

This Quartz model from 1978 features a 37mm PVD Black case. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-2fdf5e24188a]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1978

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