Seiko Cal. 4530 - 544

The Seiko 4530-544 represents an important milestone in Seiko's 1970 lineup. With its 18mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-0a77a8c7e999]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1970

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