Seiko Cal. 5210 - 813

The Seiko 5210-813 represents an important milestone in Seiko's 1968 lineup. Powered by the 5210 caliber with 29j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-a9bcca096d69]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1968

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