Seiko Cal. 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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