Seiko Cal. 6613 - 613

Seiko 6613-613

The 6613-613 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6613 caliber with 21j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-643580d48138]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
8.1mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
170m
Dial Color
Green
Jewels
21j
Frequency
21,600 bph
Power Reserve
46 hours
Year
1976

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seikata-wm-643580d48138