Seiko Cal. 6613 - 121

The 6613-121 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-93050b440e06]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1988

Related Models

• Seiko 6144-322
• Seiko 6225-961
• Seiko 6239-388
• Seiko 6358-961
• Seiko 6378-194
• Seiko 6128-298
• Seiko 4498-108
• Seiko 5699-699
• Seiko 7196-787
• Seiko 7091-622
• Seiko 4529-381
• Seiko 6336-521