Seiko Cal. 4423 - 789

Seiko 4423-789

This Hand-Winding model from 1979 features a 39mm Two-Tone case. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-7c3998b8dca9]

Also known as: Tuna, Silverwave

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
39mm
Case Thickness
14.0mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
70m
Dial Color
Navy
Jewels
29j
Frequency
21,600 bph
Power Reserve
54 hours
Year
1979

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seikata-wm-7c3998b8dca9