Seiko Cal. 5618 - 420

The Seiko 5618-420 represents an important milestone in Seiko's 1982 lineup. Powered by the 5618 caliber with 32j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-64fa11cdeef3]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

32j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1982

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