Seiko Cal. 5684 - 751

The Seiko 5684-751 represents an important milestone in Seiko's 1990 lineup. Powered by the 5684 caliber with 35j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-68a0a9f9a493]

Also known as: Helmet, Sea Horse

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

35j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1990

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