Seiko Cal. 5637 - 543

This Spring Drive model from 1982 features a 45mm Two-Tone case. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-35f328f10732]

Also known as: UFO, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1982

Related Models

• Seiko 6643-942
• Seiko 3884-297
• Seiko 4589-953
• Seiko 4444-377
• Seiko 0780-285
• Seiko 6313-234
• Seiko 6242-907
• Seiko 4592-421
• Seiko 7134-523
• Seiko 6678-409
• Seiko 4591-120
• Seiko 0718-228