Seiko Cal. 7073 - 397

The Seiko 7073-397 represents an important milestone in Seiko's 1977 lineup. Powered by the 7073 caliber with 22j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-62faac4ea4c7]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1977

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