Seiko Cal. 7183 - 636

The 7183-636 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7183 caliber with 30j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-b83e50e3b096]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1967

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