Seiko Cal. 3870 - 744

The Seiko 3870-744 represents an important milestone in Seiko's 1993 lineup. It features a Silver dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-e4213ce47927]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1993

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