Seiko Cal. 5218 - 316

The 5218-316 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-b7c1ecd3188e]

Also known as: Bellmatic, Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1981

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