Seiko Cal. 5644 - 656

Seiko 5644-656

The 5644-656 is a sought-after Kinetic piece from Seiko's golden era. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-b61fe72c47d0]

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
13.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
30m
Dial Color
Green
Jewels
32j
Frequency
36,000 bph
Power Reserve
43 hours
Year
1977

Related Models

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