Seiko Cal. 7138 - 523

The 7138-523 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-0de3da410ce7]

Also known as: Silverwave, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

26j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1984

Related Models

• Seiko 5646-544
• Seiko 4594-383
• Seiko 6654-146
• Seiko 6241-333
• Seiko 6660-284
• Seiko 6110-469
• Seiko 5653-962
• Seiko 4419-840
• Seiko 4599-386
• Seiko 6223-691
• Seiko 4536-846
• Seiko 7055-256