Seiko Cal. 5648 - 683

The Seiko 5648-683 represents an important milestone in Seiko's 1975 lineup. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-ff942ca24f56]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Cream

Jewels

29j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1975

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