Seiko Cal. 4441 - 691

Seiko 4441-691

This Kinetic model from 1987 features a 39mm Hardlex-Coated Steel case. Powered by the 4441 caliber with 31j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-e3daa85b8f58]

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
13.0mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
80m
Dial Color
Silver
Jewels
31j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1987

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