Seiko Cal. 5645 - 980

Seiko 5645-980

The 5645-980 is a sought-after Kinetic piece from Seiko's golden era. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-a9068b1b05f0]

Also known as: Bullhead, Helmet

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
8.6mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
110m
Dial Color
Navy
Jewels
34j
Frequency
28,800 bph
Power Reserve
46 hours
Year
1994

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