Seiko Cal. 4581 - 378

The 4581-378 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-bbe2acf07873]

Also known as: Monster, World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Burgundy

Jewels

22j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1981

Related Models

• Seiko 6357-851
• Seiko 6687-944
• Seiko 4559-465
• Seiko 7197-307
• Seiko 0745-566
• Seiko 4492-994
• Seiko 0762-237
• Seiko 0778-536
• Seiko 3878-652
• Seiko 7150-429
• Seiko 6118-800
• Seiko 3881-882