Seiko Cal. 3816 - 502

The 3816-502 is a sought-after Spring Drive piece from Seiko's golden era. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-ee0ccae4a0dc]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1976

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