Seiko Cal. 5615 - 617

Seiko 5615-617

The 5615-617 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5615 caliber with 24j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-36f92fb7e2a3]

Also known as: Tuna, Bullhead

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
14.8mm
Lug Width
18mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Green
Jewels
24j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1995

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