Seiko Cal. 4416 - 251

The Seiko 4416-251 represents an important milestone in Seiko's 1972 lineup. It features a Black dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-6e39a174fe54]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1972

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