Seiko Cal. 4591 - 867

Released in 1977, the Cal. 4591 with design code 867 was part of Seiko's domestic market collection. Powered by the 4591 caliber with 28j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-fa0e95dcaca6]

Also known as: Helmet, Rally

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

28j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1977

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