Seiko Cal. 6690 - 770

This Hand-Winding model from 1993 features a 41mm Titanium case. Powered by the 6690 caliber with 29j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-a85b6f654858]

Also known as: Silverwave, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1993

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