Seiko Cal. 5616 - 624

Seiko 5616-624

The 5616-624 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5616 caliber with 21j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-111217c1cb0e]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
14.8mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
60m
Dial Color
Blue Sunburst
Jewels
21j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1971

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seikata-wm-111217c1cb0e