Seiko Cal. 7177 - 131

Seiko 7177-131

The 7177-131 is a sought-after Automatic piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-c08e9f3c415e]

Also known as: Bullhead

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
45mm
Case Thickness
11.4mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Green
Jewels
19j
Frequency
36,000 bph
Power Reserve
58 hours
Year
1970

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