Seiko Cal. 5691 - 988

The 5691-988 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5691 caliber with 34j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-a1ea59dbd957]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

34j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1992

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