Seiko Cal. 6693 - 643

Seiko 6693-643

The 6693-643 is a sought-after Solar piece from Seiko's golden era. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-84fbeb582d43]

Also known as: Samurai, Tuna

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
10.9mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Burgundy
Jewels
19j
Frequency
36,000 bph
Power Reserve
47 hours
Year
1976

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