Seiko Cal. 7045 - 923

The Seiko 7045-923 represents an important milestone in Seiko's 1970 lineup. Powered by the 7045 caliber with 35j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-e7e1608673b1]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1970

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