Seiko Cal. 5645 - 277

This Spring Drive model from 1983 features a 36mm Two-Tone case. With its 21mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-11c2a0be3866]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1983

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