Seiko Cal. 6357 - 307

The 6357-307 is a sought-after Solar piece from Seiko's golden era. Powered by the 6357 caliber with 23j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-633d6435f656]

Also known as: Rally, Silverwave

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1977

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