Seiko Cal. 7138 - 401

Seiko 7138-401

The 7138-401 is a sought-after Hand-Winding piece from Seiko's golden era. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-23e50e937ad7]

Also known as: Turtle, Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
13.1mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
190m
Dial Color
Silver
Jewels
33j
Frequency
36,000 bph
Power Reserve
54 hours
Year
1978

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