Seiko Cal. 5240 - 617

Seiko 5240-617

The 5240-617 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5240 caliber with 33j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-94dbb6adbc62]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
39mm
Case Thickness
12.1mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Silver
Jewels
33j
Frequency
28,800 bph
Power Reserve
44 hours
Year
1973

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