Seiko Cal. 3851 - 108

The 3851-108 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-ae873eb6f6c5]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1975

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