Seiko Cal. 7181 - 307

Seiko 7181-307

The 7181-307 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-f7c0864f5bb1]

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
37mm
Case Thickness
14.4mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
60m
Dial Color
Burgundy
Jewels
24j
Frequency
36,000 bph
Power Reserve
40 hours
Year
1996

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