Seiko Cal. 5654 - 991

Seiko 5654-991

The 5654-991 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-116c994d0b09]

Also known as: Turtle, Helmet

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
46mm
Case Thickness
8.7mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
40m
Dial Color
Navy
Jewels
26j
Frequency
36,000 bph
Power Reserve
36 hours
Year
1975

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seikata-wm-116c994d0b09