Seiko Cal. 3816 - 543

This Spring Drive model from 1975 features a 43mm Gold-Plated case. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-eaf8cee7cac1]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1975

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