Seiko Cal. 6398 - 516

The Seiko 6398-516 represents an important milestone in Seiko's 1978 lineup. With its 22mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-b24cdd6bfec0]

Also known as: World Timer, Navigator

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1978

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