Seiko Cal. 7180 - 161

This Spring Drive model from 1997 features a 36mm Titanium case. It features a Green dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-5ab5fa8480bf]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1997

Related Models

• Seiko 4596-845
• Seiko 6666-947
• Seiko 6640-165
• Seiko 6360-632
• Seiko 4441-796
• Seiko 6182-368
• Seiko 6215-883
• Seiko 4449-235
• Seiko 6629-330
• Seiko 4495-886
• Seiko 4572-401
• Seiko 6351-757