Seiko Cal. 6390 - 431

This Hand-Winding model from 1998 features a 42mm Stainless Steel case. Powered by the 6390 caliber with 17j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-5fa554c5e9a2]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

17j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1998

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