Seiko Cal. 6691 - 957

Seiko 6691-957

The Seiko 6691-957 represents an important milestone in Seiko's 1993 lineup. Powered by the 6691 caliber with 32j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-a2b98b1e1c8e]

Also known as: Silverwave, Sea Horse

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
14.3mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Champagne
Jewels
32j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1993

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