Seiko Cal. 5615 - 144

The 5615-144 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-ec8ee30eef02]

Also known as: Sumo, Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1983

Related Models

• Seiko 6391-843
• Seiko 3845-509
• Seiko 3839-182
• Seiko 7136-926
• Seiko 4562-567
• Seiko 4476-697
• Seiko 4540-185
• Seiko 6365-843
• Seiko 5274-734
• Seiko 4591-699
• Seiko 4495-223
• Seiko 4459-744