Seiko Cal. 4531 - 493

This Automatic model from 1978 features a 39mm Gold-Plated case. It features a Black dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-1a3cf524b4e5]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1978

Related Models

• Seiko 5657-419
• Seiko 6112-832
• Seiko 7181-405
• Seiko 4530-100
• Seiko 5243-515
• Seiko 4573-404
• Seiko 4498-117
• Seiko 6299-372
• Seiko 6353-486
• Seiko 6298-848
• Seiko 6120-117
• Seiko 5682-499