Seiko Cal. 6687 - 747

Seiko 6687-747

The 6687-747 is a sought-after Solar piece from Seiko's golden era. It features a Silver dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-5d181d030ca7]

Also known as: Sea Horse

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
13.4mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Silver
Jewels
24j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1970

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