Seiko Cal. 5640 - 538

The 5640-538 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Cream dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-759b99f912c1]

Also known as: Panda

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1992

Related Models

• Seiko 6188-105
• Seiko 5690-878
• Seiko 6274-146
• Seiko 7027-306
• Seiko 0752-256
• Seiko 6260-266
• Seiko 3895-720
• Seiko 4535-861
• Seiko 3811-602
• Seiko 6624-543
• Seiko 3858-676
• Seiko 6139-629