Seiko Cal. 6357 - 354

The 6357-354 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6357 caliber with 28j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-17520e90b7ce]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1975

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