Seiko Cal. 4521 - 791

The Seiko 4521-791 represents an important milestone in Seiko's 1995 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-9544abc4551d]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1995

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