Seiko Cal. 5615 - 551

The Seiko 5615-551 represents an important milestone in Seiko's 1987 lineup. Powered by the 5615 caliber with 29j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-a31733d53fec]

Also known as: Sumo, Shogun

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

29j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1987

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