Seiko Cal. 7139 - 428

Seiko 7139-428

This Solar model from 1984 features a 35mm Titanium case. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-9ab4d745a21d]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement
Solar
Case Material
Titanium
Case Width
35mm
Case Thickness
12.1mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
90m
Dial Color
White
Jewels
25j
Frequency
28,800 bph
Power Reserve
49 hours
Year
1984

Related Models

seikata-wm-9ab4d745a21d