Seiko Cal. 3816 - 640

This Solar model from 1974 features a 39mm Stainless Steel case. It features a White dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-da520067d86d]

Also known as: Monster, Goldfeather

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1974

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