Seiko Cal. 3870 - 255

The Seiko 3870-255 represents an important milestone in Seiko's 1970 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-9d9762e652f8]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Burgundy

Jewels

19j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1970

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