Seiko Cal. 7177 - 740

Seiko 7177-740

The 7177-740 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-a26e25f6b259]

Also known as: World Timer, Emperor

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
37mm
Case Thickness
8.6mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
150m
Dial Color
Burgundy
Jewels
32j
Frequency
36,000 bph
Power Reserve
43 hours
Year
1971

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