Seiko Cal. 5618 - 220

This Quartz model from 1976 features a 40mm Gold-Plated case. Powered by the 5618 caliber with 31j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-c821a8786efa]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1976

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