Seiko Cal. 5693 - 903

Seiko 5693-903

The 5693-903 is a sought-after Spring Drive piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-3c933ad9f81f]

Also known as: Monster, Bullhead

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
11.3mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Silver
Jewels
31j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1971

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