Seiko Cal. 7131 - 740

Seiko 7131-740

The Seiko 7131-740 represents an important milestone in Seiko's 1998 lineup. Powered by the 7131 caliber with 27j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-84af9b4932a8]

Also known as: Sea Horse

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
9.8mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Silver
Jewels
27j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1998

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