Seiko Cal. 6631 - 343

Seiko 6631-343

The 6631-343 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Champagne dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-14e912f24042]

Also known as: Turtle, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
42mm
Case Thickness
10.1mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Champagne
Jewels
33j
Frequency
36,000 bph
Power Reserve
42 hours
Year
1979

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seikata-wm-14e912f24042