Seiko Cal. 6648 - 763

This Spring Drive model from 1980 features a 38mm Titanium case. With its 19mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-1bca5afc9f95]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1980

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