Seiko Cal. 5655 - 643

Seiko 5655-643

The Seiko 5655-643 represents an important milestone in Seiko's 1970 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-6f6a8f815cb3]

Also known as: Turtle, Crown

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
46mm
Case Thickness
8.5mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Silver
Jewels
25j
Frequency
21,600 bph
Power Reserve
50 hours
Year
1970

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