Seiko Cal. 6347 - 557

This Hand-Winding model from 1972 features a 35mm Stainless Steel case. With its 19mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-f4a0e7abba14]

Also known as: Tuna, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1972

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