Seiko Cal. 5689 - 741

The 5689-741 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5689 caliber with 25j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-d047be38682b]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Cream

Jewels

25j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1976

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