Seiko Cal. 4598 - 640

The Seiko 4598-640 represents an important milestone in Seiko's 1989 lineup. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-2a05e0be9ecd]

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Cream

Jewels

22j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1989

Related Models

• Seiko 6184-517
• Seiko 4564-737
• Seiko 5633-822
• Seiko 6388-608
• Seiko 6390-870
• Seiko 7136-315
• Seiko 4420-665
• Seiko 3843-298
• Seiko 5287-724
• Seiko 6234-926
• Seiko 5628-259
• Seiko 0766-300