Seiko Cal. 5620 - 309

Seiko 5620-309

The Seiko 5620-309 represents an important milestone in Seiko's 1972 lineup. Powered by the 5620 caliber with 21j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-ef22da8e7d0b]

Also known as: Turtle

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
14.3mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
40m
Dial Color
Black
Jewels
21j
Frequency
21,600 bph
Power Reserve
53 hours
Year
1972

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