Seiko Cal. 0744 - 645

The 0744-645 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 0744 caliber with 28j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-ce6155700fa2]

Also known as: Goldfeather, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1978

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