Seiko Cal. 7131 - 557

Seiko 7131-557

The Seiko 7131-557 represents an important milestone in Seiko's 1990 lineup. It features a Champagne dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-ae3a85a087ae]

Also known as: Turtle, Navigator

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
42mm
Case Thickness
9.6mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Champagne
Jewels
25j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1990

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