Seiko Cal. 4550 - 393

The Seiko 4550-393 represents an important milestone in Seiko's 1973 lineup. Powered by the 4550 caliber with 20j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-6a3ad3f3d52e]

Also known as: Pogue

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Champagne

Jewels

20j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1973

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