Seiko Cal. 5681 - 894

This Solar model from 1975 features a 35mm Hardlex-Coated Steel case. Powered by the 5681 caliber with 28j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-73a5605a9d21]

Also known as: UFO, Baby Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1975

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