Seiko Cal. 5615 - 577

The 5615-577 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-40457f535480]

Also known as: Sumo, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1984

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