Seiko Cal. 6347 - 847

This Spring Drive model from 1980 features a 38mm Two-Tone case. Powered by the 6347 caliber with 31j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-739f5d3ee82d]

Also known as: Tuna, Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1980

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