Seiko Cal. 6691 - 393

The 6691-393 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6691 caliber with 17j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-e2199fa2c5a0]

Also known as: Shogun, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

17j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1989

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