Seiko Cal. 5623 - 981

Released in 1967, the Cal. 5623 with design code 981 was part of Seiko's domestic market collection. It features a Navy dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-ca8ac3f6b70b]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1967

Related Models

• Seiko 4554-532
• Seiko 4461-720
• Seiko 5284-715
• Seiko 6616-454
• Seiko 6282-603
• Seiko 4441-686
• Seiko 4521-751
• Seiko 7153-431
• Seiko 7029-933
• Seiko 0748-786
• Seiko 6187-612
• Seiko 7154-136