Seiko Cal. 5624 - 644

Seiko 5624-644

The 5624-644 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5624 caliber with 17j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-fee2ae19a5d4]

Also known as: Tuna, Baby Tuna

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
13.6mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
110m
Dial Color
Champagne
Jewels
17j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1995

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