Seiko Cal. 5681 - 237

The 5681-237 is a sought-after Solar piece from Seiko's golden era. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-507a2ccb5872]

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Burgundy

Jewels

24j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1968

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