Seiko Cal. 7021 - 660

This Hand-Winding model from 1973 features a 45mm Titanium case. With its 19mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-f0f9f2ed4e45]

Also known as: Tuna, Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1973

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