Seiko Cal. 7138 - 587

Seiko 7138-587

This Quartz model from 1980 features a 37mm Two-Tone case. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-f8eae7a03dc5]

Also known as: Golden Tuna, Flighty

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
37mm
Case Thickness
8.5mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Navy
Jewels
24j
Frequency
28,800 bph
Power Reserve
45 hours
Year
1980

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