Seiko Cal. 7040 - 593

Seiko 7040-593

The 7040-593 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-60fd3ee7d3bf]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
42mm
Case Thickness
12.3mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Navy
Jewels
32j
Frequency
28,800 bph
Power Reserve
52 hours
Year
1981

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