Seiko Cal. 4427 - 705

Seiko 4427-705

This Hand-Winding model from 1976 features a 44mm Hardlex-Coated Steel case. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-0cf2c6d12ad1]

Also known as: Tuna, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
11.1mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
200m
Dial Color
Blue Sunburst
Jewels
30j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1976

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