Seiko Cal. 6357 - 644

The 6357-644 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6357 caliber with 32j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-f6461a733557]

Also known as: Goldfeather, Golden Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1968

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