Seiko Cal. 5618 - 831

Released in 1983, the Cal. 5618 with design code 831 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-91aca250fa91]

Also known as: World Timer, Golden Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Champagne

Jewels

28j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1983

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