Seiko Cal. 4578 - 387

This Quartz model from 1973 features a 34mm Gold-Plated case. Powered by the 4578 caliber with 20j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-74a1381bd749]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1973

Related Models

• Seiko 7125-322
• Seiko 7083-121
• Seiko 5229-279
• Seiko 6324-340
• Seiko 5259-647
• Seiko 6672-875
• Seiko 5613-918
• Seiko 7194-780
• Seiko 4516-937
• Seiko 4532-969
• Seiko 7068-317
• Seiko 6356-183