Seiko Cal. 6347 - 812

This Spring Drive model from 1971 features a 45mm PVD Black case. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-85d0a202298b]

Also known as: Samurai, Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1971

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