Seiko Cal. 6172 - 691

Seiko 6172-691

The 6172-691 is a sought-after Automatic piece from Seiko's golden era. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-bc00eed6e7b9]

Also known as: Helmet, Sea Horse

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
41mm
Case Thickness
13.5mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Silver
Jewels
28j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1971

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