Seiko Cal. 4521 - 440

Released in 1987, the Cal. 4521 with design code 440 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-81181f92e9d6]

Also known as: UFO, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

26j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1987

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