Seiko Cal. 5231 - 445

This Hand-Winding model from 1966 features a 44mm Gold-Plated case. It features a Black dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-014a486c97ee]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1966

Related Models

• Seiko 4477-996
• Seiko 0732-696
• Seiko 4549-186
• Seiko 6638-913
• Seiko 6190-697
• Seiko 6323-391
• Seiko 3874-753
• Seiko 6276-664
• Seiko 6670-741
• Seiko 7121-846
• Seiko 4518-496
• Seiko 5634-272