Seiko Cal. 6356 - 547

The 6356-547 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6356 caliber with 28j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-92afd669f98c]

Also known as: Tuna, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1975

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