Seiko Cal. 7021 - 387

This Spring Drive model from 1983 features a 45mm Titanium case. With its 19mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-93e4a9411407]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1983

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