Seiko Cal. 5648 - 923

The Seiko 5648-923 represents an important milestone in Seiko's 1973 lineup. Powered by the 5648 caliber with 28j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-a891ffa6eb6d]

Also known as: Panda, Navigator

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1973

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