Seiko Cal. 5681 - 166

The 5681-166 is a sought-after Solar piece from Seiko's golden era. It features a Cream dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-8d6a000a5a72]

Also known as: Tuna, UFO

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1986

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