Seiko Cal. 6644 - 536

This Solar model from 1994 features a 45mm PVD Black case. Powered by the 6644 caliber with 18j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-07fdd8edf2a3]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Burgundy

Jewels

18j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1994

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