Seiko Cal. 6691 - 360

The 6691-360 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-04cf6d4b4173]

Also known as: Crown, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

24j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1969

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