Seiko Cal. 5645 - 738

Seiko 5645-738

The 5645-738 is a sought-after Kinetic piece from Seiko's golden era. With its 18mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-9b66d34825f2]

Also known as: Flighty

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
15.1mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
120m
Dial Color
Green
Jewels
21j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1981

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