Seiko Cal. 7138 - 432

Seiko 7138-432

The 7138-432 is a sought-after Automatic piece from Seiko's golden era. With its 21mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-b592ed04e2eb]

Also known as: Helmet

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
11.5mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Navy
Jewels
31j
Frequency
21,600 bph
Power Reserve
41 hours
Year
1972

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