Seiko Cal. 4550 - 761

Released in 1983, the Cal. 4550 with design code 761 was part of Seiko's domestic market collection. It features a Silver dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-7ee03bbde540]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

26j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1983

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