Seiko Cal. 0773 - 738

The 0773-738 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0773 caliber with 18j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-de0061c21388]

Also known as: Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1966

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