Seiko Cal. 5251 - 691

The Seiko 5251-691 represents an important milestone in Seiko's 1969 lineup. It features a Navy dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-cb0f45964bda]

Also known as: Panda

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Navy

Jewels

27j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1969

Related Models

• Seiko 6398-227
• Seiko 7143-999
• Seiko 0736-734
• Seiko 7075-334
• Seiko 6278-346
• Seiko 4585-300
• Seiko 7132-831
• Seiko 5662-572
• Seiko 6192-554
• Seiko 0769-639
• Seiko 4441-775
• Seiko 5611-711