Seiko Cal. 6691 - 992

Seiko 6691-992

This Kinetic model from 1997 features a 37mm PVD Black case. Powered by the 6691 caliber with 20j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-3034f0a01f3b]

Also known as: Baby Tuna

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
37mm
Case Thickness
13.4mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
White
Jewels
20j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1997

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