Seiko Cal. 7181 - 310

Seiko 7181-310

The Seiko 7181-310 represents an important milestone in Seiko's 1980 lineup. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-b11a5c4e307a]

Also known as: Turtle, Baby Tuna

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
13.1mm
Lug Width
20mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
80m
Dial Color
Blue Sunburst
Jewels
36j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1980

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