Seiko Cal. 6643 - 588

This Automatic model from 1976 features a 38mm Titanium case. Powered by the 6643 caliber with 17j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-1eec245f80ad]

Also known as: Panda, Sportsmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1976

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