Seiko Cal. 6228 - 636

The 6228-636 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6228 caliber with 26j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-fb4c4b53ea0d]

Also known as: Helmet, World Timer

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

White

Jewels

26j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1988

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