Seiko Cal. 5637 - 901

The Seiko 5637-901 represents an important milestone in Seiko's 1996 lineup. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-81f6ecdd662f]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Champagne

Jewels

36j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1996

Related Models

• Seiko 5641-170
• Seiko 6696-935
• Seiko 4568-302
• Seiko 5646-264
• Seiko 5646-641
• Seiko 0774-111
• Seiko 5285-874
• Seiko 5236-809
• Seiko 6691-445
• Seiko 3852-799
• Seiko 5697-459
• Seiko 6635-510