Seiko Cal. 6636 - 230

The 6636-230 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6636 caliber with 36j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-04c5cd139bcd]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

36j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1988

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