Seiko Cal. 3861 - 515

Released in 1988, the Cal. 3861 with design code 515 was part of Seiko's domestic market collection. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-30a714cf5cff]

Also known as: Helmet, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1988

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