Seiko Cal. 5623 - 144

Released in 1978, the Cal. 5623 with design code 144 was part of Seiko's domestic market collection. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-e7eca7fa3fdf]

Also known as: Monster, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1978

Related Models

• Seiko 6654-554
• Seiko 6616-200
• Seiko 7062-566
• Seiko 6159-766
• Seiko 6285-162
• Seiko 4465-473
• Seiko 6172-553
• Seiko 0710-975
• Seiko 6365-848
• Seiko 6213-455
• Seiko 6238-257
• Seiko 7082-150