Seiko Cal. 3868 - 551

The Seiko 3868-551 represents an important milestone in Seiko's 1965 lineup. It features a Navy dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-5485b4f12b47]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1965

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