Seiko Cal. 7145 - 661

The Seiko 7145-661 represents an important milestone in Seiko's 1973 lineup. Powered by the 7145 caliber with 32j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-3d945d6978a4]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

44mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1973

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