Seiko Cal. 6391 - 554

This Hand-Winding model from 1997 features a 37mm Two-Tone case. With its 20mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-9e9f1aff42b4]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1997

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