Seiko Cal. 5687 - 733

The 5687-733 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5687 caliber with 18j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-33c82110be0e]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Cream

Jewels

18j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1972

Related Models

• Seiko 0744-878
• Seiko 6635-546
• Seiko 5260-834
• Seiko 5287-104
• Seiko 6117-619
• Seiko 4541-984
• Seiko 5285-324
• Seiko 6330-220
• Seiko 5280-693
• Seiko 6389-115
• Seiko 6342-110
• Seiko 6210-807