Seiko Cal. 3852 - 687

This Spring Drive model from 1969 features a 36mm Gold-Plated case. It features a Green dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-0145842ff45b]

Also known as: Monster, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

13.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1969

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