Seiko Cal. 5610 - 612

The Seiko 5610-612 represents an important milestone in Seiko's 1970 lineup. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-5c31ba7dbcf6]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1970

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