Seiko Cal. 5638 - 131

The 5638-131 is a sought-after Automatic piece from Seiko's golden era. It features a Silver dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-72d659dd57ad]

Also known as: Monster, World Timer

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1985

Related Models

• Seiko 6229-406
• Seiko 6388-438
• Seiko 3831-607
• Seiko 6236-839
• Seiko 5245-640
• Seiko 0727-675
• Seiko 6672-706
• Seiko 0739-818
• Seiko 0740-905
• Seiko 4517-869
• Seiko 5674-935
• Seiko 4590-293