Seiko Cal. 7183 - 231

The 7183-231 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7183 caliber with 24j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-c2d8fc589a39]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

White

Jewels

24j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1978

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