Seiko Cal. 7140 - 554

Seiko 7140-554

The 7140-554 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-540692a7647e]

Also known as: Monster

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
38mm
Case Thickness
15.5mm
Lug Width
21mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
White
Jewels
25j
Frequency
28,800 bph
Power Reserve
42 hours
Year
1994

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seikata-wm-540692a7647e