Seiko Cal. 6366 - 665

This Spring Drive model from 1987 features a 40mm Stainless Steel case. It features a Navy dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-6b282d203655]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1987

Related Models

• Seiko 0731-280
• Seiko 0776-702
• Seiko 5258-406
• Seiko 6613-960
• Seiko 0757-891
• Seiko 6124-698
• Seiko 5698-557
• Seiko 6394-922
• Seiko 6375-216
• Seiko 3831-197
• Seiko 6648-385
• Seiko 7042-668