Seiko Cal. 5610 - 813

The 5610-813 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5610 caliber with 23j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-eb4bf1a33429]

Also known as: Bullhead, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

White

Jewels

23j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1974

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