Seiko Cal. 6691 - 492

Released in 1983, the Cal. 6691 with design code 492 was part of Seiko's domestic market collection. Powered by the 6691 caliber with 23j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-4fe6aa34af66]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

White

Jewels

23j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1983

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