Seiko Cal. 5618 - 551

The Seiko 5618-551 represents an important milestone in Seiko's 1974 lineup. It features a White dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-87ca422bf5ae]

Also known as: Crown, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1974

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