Seiko Cal. 0723 - 861

The 0723-861 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 0723 caliber with 36j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-dd2d19613fe4]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1965

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