Seiko Cal. 7040 - 638

Seiko 7040-638

The 7040-638 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-20d390f3147d]

Also known as: Goldfeather, Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
45mm
Case Thickness
11.2mm
Lug Width
18mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Cream
Jewels
33j
Frequency
21,600 bph
Power Reserve
59 hours
Year
1979

Related Models

seikata-wm-20d390f3147d