Seiko Cal. 7183 - 230

The 7183-230 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-91ab9ba017fc]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1975

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