Seiko Cal. 4439 - 729

Seiko 4439-729

This Automatic model from 1975 features a 37mm Hardlex-Coated Steel case. With its 18mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-a0e8d4035bb3]

Also known as: Monster, Golden Tuna

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
14.7mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
180m
Dial Color
Green
Jewels
23j
Frequency
36,000 bph
Power Reserve
68 hours
Year
1975

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