Seiko Cal. 6691 - 358

The 6691-358 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6691 caliber with 36j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-8061034a588a]

Also known as: Pogue, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Burgundy

Jewels

36j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1966

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