Seiko Cal. 3840 - 787

This Hand-Winding model from 1998 features a 38mm Two-Tone case. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-ab4122ad7fa8]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1998

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