Seiko Cal. 5640 - 887

This Solar model from 1993 features a 38mm Two-Tone case. It features a Black dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-da93bd2e107e]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1993

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