Seiko Cal. 5218 - 365

The Seiko 5218-365 represents an important milestone in Seiko's 1977 lineup. Powered by the 5218 caliber with 20j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-a7fd1478d355]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1977

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