Seiko Cal. 7045 - 690

The Seiko 7045-690 represents an important milestone in Seiko's 1985 lineup. Powered by the 7045 caliber with 31j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-79f74654b79a]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1985

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