Seiko Cal. 4548 - 817

This Spring Drive model from 1977 features a 36mm Two-Tone case. With its 22mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-37a1f11a0e4b]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Silver

Jewels

18j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1977

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