Seiko Cal. 7181 - 301

Seiko 7181-301

The 7181-301 is a sought-after Quartz piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-ba73d9bffb10]

Also known as: Bullhead, Sea Horse

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
12.6mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Green
Jewels
24j
Frequency
21,600 bph
Power Reserve
40 hours
Year
1974

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