Seiko Cal. 6356 - 290

This Spring Drive model from 1973 features a 46mm Stainless Steel case. With its 21mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-6d65db06a38d]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1973

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