Seiko Cal. 5687 - 339

The Seiko 5687-339 represents an important milestone in Seiko's 1969 lineup. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-8a4edf7be30b]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

43mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Champagne

Jewels

20j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1969

Related Models

• Seiko 3877-937
• Seiko 4552-180
• Seiko 6659-755
• Seiko 6156-814
• Seiko 6217-482
• Seiko 5292-706
• Seiko 4557-497
• Seiko 4599-764
• Seiko 6214-881
• Seiko 6360-218
• Seiko 7175-410
• Seiko 6389-482