Seiko Cal. 4578 - 188

This Spring Drive model from 1966 features a 35mm Gold-Plated case. It features a Black dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-35543036aa46]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1966

Related Models

• Seiko 5666-456
• Seiko 5250-470
• Seiko 6242-905
• Seiko 6640-547
• Seiko 5655-992
• Seiko 3829-442
• Seiko 6199-548
• Seiko 3833-505
• Seiko 4575-595
• Seiko 7147-536
• Seiko 5650-651
• Seiko 4485-672