Seiko Cal. 7138 - 745

Seiko 7138-745

The 7138-745 is a sought-after Spring Drive piece from Seiko's golden era. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-c69738d5269d]

Also known as: Arnie

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
13.1mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Champagne
Jewels
32j
Frequency
28,800 bph
Power Reserve
38 hours
Year
1991

Related Models

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