Seiko Cal. 5251 - 518

The 5251-518 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-8ecadcdc19da]

Also known as: Sumo, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Navy

Jewels

19j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1976

Related Models

• Seiko 6234-256
• Seiko 3825-732
• Seiko 6394-235
• Seiko 4551-738
• Seiko 6617-821
• Seiko 5629-197
• Seiko 6192-698
• Seiko 5633-388
• Seiko 6192-894
• Seiko 4479-540
• Seiko 7079-345
• Seiko 3860-537