Seiko Cal. 5637 - 786

The Seiko 5637-786 represents an important milestone in Seiko's 1975 lineup. Powered by the 5637 caliber with 27j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-9610169a6709]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

27j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1975

Related Models

• Seiko 6254-170
• Seiko 7123-238
• Seiko 5626-363
• Seiko 4456-658
• Seiko 0764-639
• Seiko 5227-929
• Seiko 5615-941
• Seiko 7090-291
• Seiko 7027-150
• Seiko 6679-838
• Seiko 6115-973
• Seiko 3864-380