Seiko Cal. 7131 - 874

Seiko 7131-874

The Seiko 7131-874 represents an important milestone in Seiko's 1987 lineup. Powered by the 7131 caliber with 18j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-e37e829e664a]

Also known as: Silverwave

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
39mm
Case Thickness
11.2mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
80m
Dial Color
Cream
Jewels
18j
Frequency
28,800 bph
Power Reserve
61 hours
Year
1987

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