Seiko Cal. 3860 - 691

The 3860-691 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-cce177c06005]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

34j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1989

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