Seiko Cal. 5610 - 525

The 5610-525 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-35f9c1cc6c83]

Also known as: Sumo, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1991

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