Seiko Cal. 3820 - 965

This Spring Drive model from 1975 features a 35mm Gold-Plated case. It features a White dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-6c98454a634f]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1975

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