Seiko Cal. 4540 - 861

The Seiko 4540-861 represents an important milestone in Seiko's 1972 lineup. It features a Silver dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-3979636e2e85]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1972

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