Seiko Cal. 5637 - 548

The Seiko 5637-548 represents an important milestone in Seiko's 1966 lineup. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-7d476ffa5cb0]

Also known as: Pogue, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1966

Related Models

• Seiko 4586-571
• Seiko 6612-255
• Seiko 5287-300
• Seiko 3875-937
• Seiko 7028-999
• Seiko 6361-527
• Seiko 6287-138
• Seiko 5675-842
• Seiko 7172-283
• Seiko 5238-621
• Seiko 6161-215
• Seiko 6277-744