Seiko Cal. 6621 - 477

Seiko 6621-477

The Seiko 6621-477 represents an important milestone in Seiko's 1965 lineup. Powered by the 6621 caliber with 24j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-2de6970c2e9d]

Also known as: Turtle, Tuna

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
43mm
Case Thickness
13.9mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
160m
Dial Color
Champagne
Jewels
24j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1965

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