Seiko Cal. 5637 - 422

The Seiko 5637-422 represents an important milestone in Seiko's 1992 lineup. With its 18mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-0ceaba69ca69]

Also known as: Samurai, Bullhead

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1992

Related Models

• Seiko 3823-230
• Seiko 3822-605
• Seiko 7090-155
• Seiko 4464-581
• Seiko 5613-524
• Seiko 4435-527
• Seiko 6394-962
• Seiko 0712-782
• Seiko 4491-957
• Seiko 3868-695
• Seiko 4446-408
• Seiko 6174-693