Seiko Cal. 7154 - 641

Seiko 7154-641

The 7154-641 is a sought-after Automatic piece from Seiko's golden era. It features a Silver dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-2857c9d0a1b7]

Also known as: Helmet

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
36mm
Case Thickness
8.3mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
Silver
Jewels
28j
Frequency
28,800 bph
Power Reserve
38 hours
Year
1982

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