Seiko Cal. 5644 - 613

Seiko 5644-613

The 5644-613 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5644 caliber with 19j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-cf80269e214b]

Also known as: Turtle, Flighty

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
8.2mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
180m
Dial Color
Blue Sunburst
Jewels
19j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1980

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