Seiko Cal. 6646 - 754

The 6646-754 is a sought-after Solar piece from Seiko's golden era. Powered by the 6646 caliber with 28j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-a3bb90fd2a8c]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1996

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