Seiko Cal. 5689 - 338

The 5689-338 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5689 caliber with 32j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-62717e17cd20]

Also known as: Sumo, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1977

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