Seiko Cal. 4597 - 731

Seiko 4597-731

The 4597-731 is a sought-after Solar piece from Seiko's golden era. It features a Silver dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-b0050e1c9a08]

Also known as: Bullhead, Bellmatic

Specifications

Movement
Solar
Case Material
Titanium
Case Width
42mm
Case Thickness
15.1mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Silver
Jewels
24j
Frequency
36,000 bph
Power Reserve
61 hours
Year
1999

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