Seiko Cal. 0718 - 231

The 0718-231 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0718 caliber with 23j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-5f4eef7ae800]

Also known as: Monster, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1965

Related Models

• Seiko 0738-214
• Seiko 6147-969
• Seiko 5249-767
• Seiko 7092-686
• Seiko 4487-937
• Seiko 6332-800
• Seiko 6148-198
• Seiko 4476-715
• Seiko 5636-576
• Seiko 0767-475
• Seiko 4424-336
• Seiko 6366-875