Seiko Cal. 6330 - 637

Seiko 6330-637

Released in 1979, the Cal. 6330 with design code 637 was part of Seiko's domestic market collection. Powered by the 6330 caliber with 28j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-30650ac44673]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
13.2mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
White
Jewels
28j
Frequency
28,800 bph
Power Reserve
65 hours
Year
1979

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seikata-wm-30650ac44673