Seiko Cal. 6618 - 400

This Hand-Winding model from 1968 features a 35mm Stainless Steel case. Powered by the 6618 caliber with 29j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-cafe143528f2]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1968

Related Models

• Seiko 5624-198
• Seiko 6260-504
• Seiko 5693-737
• Seiko 0794-784
• Seiko 6647-459
• Seiko 6273-465
• Seiko 7171-175
• Seiko 7031-455
• Seiko 3864-343
• Seiko 6616-963
• Seiko 6248-740
• Seiko 6292-500