Seiko Cal. 4478 - 918

The Seiko 4478-918 represents an important milestone in Seiko's 1966 lineup. Powered by the 4478 caliber with 27j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-d929936ffec7]

Also known as: Tuna, Flighty

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1966

Related Models

• Seiko 6360-507
• Seiko 7138-228
• Seiko 7171-563
• Seiko 7018-285
• Seiko 5665-948
• Seiko 6618-120
• Seiko 6386-672
• Seiko 7026-511
• Seiko 5617-323
• Seiko 4527-753
• Seiko 4582-141
• Seiko 6374-685