Seiko Cal. 4560 - 773

The Seiko 4560-773 represents an important milestone in Seiko's 1966 lineup. Powered by the 4560 caliber with 27j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-c94832126027]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1966

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