Seiko Cal. 6131 - 378

Seiko 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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