Seiko Cal. 5680 - 387

The Seiko 5680-387 represents an important milestone in Seiko's 1998 lineup. With its 20mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-f3ca00af2fef]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1998

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