Seiko Cal. 4550 - 693

The 4550-693 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4550 caliber with 35j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-ac4da0120172]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

35j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1981

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