Seiko Cal. 4423 - 138

Seiko 4423-138

The Seiko 4423-138 represents an important milestone in Seiko's 1969 lineup. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-d1d7396e4fe3]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
11.7mm
Lug Width
18mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Silver
Jewels
25j
Frequency
36,000 bph
Power Reserve
45 hours
Year
1969

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