Seiko Cal. 3868 - 551

The Seiko 3868-551 represents an important milestone in Seiko's 1997 lineup. It features a Navy dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-85be8c019028]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1997

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