Seiko Cal. 6131 - 378

The Seiko 6131-378 represents an important milestone in Seiko's 1997 lineup. Powered by the 6131 caliber with 20j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-29b29d670ac5]

Also known as: Rally

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1997

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