Seiko Cal. 6366 - 740

The 6366-740 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-95287b723b7b]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1972

Related Models

• Seiko 4435-977
• Seiko 5231-117
• Seiko 4449-986
• Seiko 6684-980
• Seiko 7025-712
• Seiko 4411-815
• Seiko 6185-403
• Seiko 6666-923
• Seiko 6372-498
• Seiko 5643-843
• Seiko 7134-823
• Seiko 6119-550