Seiko Cal. 7021 - 658

This Spring Drive model from 1985 features a 36mm Titanium case. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-62c6f9e3bcaf]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1985

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