Seiko Cal. 6691 - 990

Seiko 6691-990

The Seiko 6691-990 represents an important milestone in Seiko's 1990 lineup. Powered by the 6691 caliber with 32j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-b68228325ee8]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
11.7mm
Lug Width
20mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
150m
Dial Color
Cream
Jewels
32j
Frequency
28,800 bph
Power Reserve
53 hours
Year
1990

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seikata-wm-b68228325ee8