Seiko Cal. 6630 - 545

Seiko 6630-545

Released in 1967, the Cal. 6630 with design code 545 was part of Seiko's domestic market collection. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-aac731738a92]

Also known as: Turtle, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
43mm
Case Thickness
12.9mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Champagne
Jewels
28j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1967

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