Seiko Cal. 6621 - 636

Seiko 6621-636

The 6621-636 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6621 caliber with 28j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-98555f9f72cf]

Also known as: Turtle, Bellmatic

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
34mm
Case Thickness
13.3mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
110m
Dial Color
Green
Jewels
28j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1992

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