Seiko Cal. 5648 - 399

Released in 1966, the Cal. 5648 with design code 399 was part of Seiko's domestic market collection. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-2ea6dbc8b9bb]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1966

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