Seiko Cal. 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

Related Models

• Seiko 5230-824
• Seiko 6685-683
• Seiko 7099-657
• Seiko 6113-590
• Seiko 5648-208
• Seiko 6370-135
• Seiko 4510-211
• Seiko 6296-724
• Seiko 6165-797
• Seiko 6244-543
• Seiko 7148-445
• Seiko 4519-537