Seiko Cal. 5644 - 754

Seiko 5644-754

The 5644-754 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-5f177ef4addd]

Also known as: UFO, Rally

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
11.2mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Blue Sunburst
Jewels
24j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1968

Related Models

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