Seiko Cal. 7177 - 556

Seiko 7177-556

The 7177-556 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-4a20b554cbed]

Also known as: World Timer, Emperor

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
41mm
Case Thickness
15.5mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
170m
Dial Color
Silver
Jewels
32j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1977

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