Seiko Cal. 6138 - 659

Released in 1971, the Cal. 6138 with design code 659 was part of Seiko's domestic market collection. With its 19mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-f9716af9fa50]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1971

Related Models

• Seiko 6650-773
• Seiko 4487-781
• Seiko 4498-631
• Seiko 4574-938
• Seiko 4541-824
• Seiko 6617-754
• Seiko 6682-101
• Seiko 7091-952
• Seiko 5223-299
• Seiko 7074-191
• Seiko 4437-231
• Seiko 4522-794