Seiko Cal. 6657 - 899

The 6657-899 is a sought-after Solar piece from Seiko's golden era. Powered by the 6657 caliber with 28j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-2bc1e0403e69]

Also known as: Arnie

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1971

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