Seiko Cal. 6347 - 223

This Spring Drive model from 1999 features a 35mm Hardlex-Coated Steel case. With its 18mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-91e0f4a4fd08]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1999

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