Seiko Cal. 5663 - 231

This Automatic model from 1991 features a 37mm Titanium case. It features a Green dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-a877503e2499]

Also known as: Monster, Pogue

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1991

Related Models

• Seiko 7192-708
• Seiko 7158-849
• Seiko 6114-492
• Seiko 6153-412
• Seiko 5630-947
• Seiko 3871-464
• Seiko 6114-264
• Seiko 4518-414
• Seiko 4461-983
• Seiko 4515-621
• Seiko 6214-445
• Seiko 5696-331