Seiko Cal. 6356 - 434

The 6356-434 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6356 caliber with 28j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-f889b5bdecb1]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1984

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