Seiko Cal. 0731 - 177

Seiko 0731-177

The 0731-177 is a sought-after Automatic piece from Seiko's golden era. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-1032a1924c1b]

Also known as: Monster

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
41mm
Case Thickness
11.9mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Silver
Jewels
30j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1972

Related Models

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