Seiko Cal. 4536 - 161

This Spring Drive model from 1984 features a 45mm Two-Tone case. With its 18mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-f5b771c4241f]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1984

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