Seiko Cal. 6690 - 303

Seiko 6690-303

The 6690-303 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Burgundy dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-b0b9d52bfaef]

Also known as: Silverwave, World Timer

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
13.1mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
130m
Dial Color
Burgundy
Jewels
24j
Frequency
36,000 bph
Power Reserve
53 hours
Year
1972

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