Seiko Cal. 5617 - 856

The 5617-856 is a sought-after Automatic piece from Seiko's golden era. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-f2ef912fe793]

Also known as: Sumo, Rally

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1977

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