Seiko Cal. 4438 - 128

Seiko 4438-128

The 4438-128 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4438 caliber with 34j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-71b34ba2fcee]

Also known as: Turtle, Flighty

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
15.6mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
190m
Dial Color
Burgundy
Jewels
34j
Frequency
21,600 bph
Power Reserve
67 hours
Year
1989

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