Seiko Cal. 6398 - 488

The 6398-488 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6398 caliber with 36j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-fbc17c4b5e7f]

Also known as: Helmet, UFO

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

36j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1966

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