Seiko Cal. 5216 - 755

The 5216-755 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5216 caliber with 31j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-ae9f32b4825f]

Also known as: Helmet, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1968

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