Seiko Cal. 6378 - 665

This Solar model from 1996 features a 39mm Stainless Steel case. Powered by the 6378 caliber with 30j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-d880c3b93c05]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1996

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