Seiko Cal. 6643 - 125

The 6643-125 is a sought-after Solar piece from Seiko's golden era. Powered by the 6643 caliber with 20j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-0aeecf16e18b]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1987

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