Seiko Cal. 6691 - 838

Seiko 6691-838

This Kinetic model from 1997 features a 44mm Hardlex-Coated Steel case. Powered by the 6691 caliber with 27j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-c6dd304b622e]

Also known as: UFO, Sportsmatic

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
11.0mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Green
Jewels
27j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1997

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seikata-wm-c6dd304b622e