Seiko Cal. 6365 - 663

This Quartz model from 1979 features a 39mm Two-Tone case. With its 21mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-c883c34893d4]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

24j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1979

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