Seiko Cal. 6690 - 320

This Hand-Winding model from 1996 features a 42mm Titanium case. Powered by the 6690 caliber with 27j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-e4f4c5376f28]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Champagne

Jewels

27j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1996

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