Seiko Cal. 0771 - 230

The 0771-230 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 0771 caliber with 35j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-56c4bb12e156]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1970

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