Seiko Cal. 6628 - 257

The 6628-257 is a sought-after Solar piece from Seiko's golden era. Powered by the 6628 caliber with 28j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-15d4b42e7f0c]

Also known as: Rally

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Silver

Jewels

28j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1992

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