Seiko Cal. 4578 - 982

The Seiko 4578-982 represents an important milestone in Seiko's 1980 lineup. Powered by the 4578 caliber with 27j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-c87358ed5f6c]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1980

Related Models

• Seiko 0779-910
• Seiko 6646-664
• Seiko 5224-516
• Seiko 5626-834
• Seiko 7195-663
• Seiko 6392-286
• Seiko 6259-465
• Seiko 0722-693
• Seiko 4551-503
• Seiko 4560-721
• Seiko 5632-811
• Seiko 6635-644