Seiko Cal. 5615 - 781

The Seiko 5615-781 represents an important milestone in Seiko's 1996 lineup. Powered by the 5615 caliber with 24j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-70da2a4fd6ab]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

35mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Silver

Jewels

24j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1996

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