Seiko Cal. 7020 - 320

This Hand-Winding model from 1969 features a 40mm Two-Tone case. With its 20mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-fda7fac062dc]

Also known as: Tuna, World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1969

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