Seiko Cal. 4438 - 507

Seiko 4438-507

The 4438-507 is a sought-after Automatic piece from Seiko's golden era. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-d067f2e6629c]

Also known as: Crown, Golden Tuna

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
14.1mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
200m
Dial Color
Silver
Jewels
30j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1980

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