Seiko Cal. 6691 - 971

Seiko 6691-971

The 6691-971 is a sought-after Automatic piece from Seiko's golden era. It features a Champagne dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-3946c06b9b43]

Also known as: Turtle

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
40mm
Case Thickness
15.7mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
90m
Dial Color
Champagne
Jewels
29j
Frequency
28,800 bph
Power Reserve
50 hours
Year
1981

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