Seiko Cal. 5610 - 433

The Seiko 5610-433 represents an important milestone in Seiko's 1975 lineup. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-92ea3e9396de]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1975

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