Seiko Cal. 6371 - 587

This Hand-Winding model from 1998 features a 35mm Two-Tone case. With its 18mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-e0cec8349d57]

Also known as: Tuna, Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

27j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1998

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