Seiko Cal. 4543 - 854

This Spring Drive model from 1978 features a 45mm Two-Tone case. With its 22mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-a341d26b8006]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1978

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