Seiko Cal. 5691 - 731

The Seiko 5691-731 represents an important milestone in Seiko's 1978 lineup. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-717169b8527a]

Also known as: Panda

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Champagne

Jewels

17j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1978

Related Models

• Seiko 3839-766
• Seiko 0730-980
• Seiko 6210-270
• Seiko 6399-207
• Seiko 3850-987
• Seiko 0792-555
• Seiko 6149-127
• Seiko 7029-473
• Seiko 5690-193
• Seiko 6689-682
• Seiko 7014-412
• Seiko 7014-732