Seiko Cal. 3856 - 331

This Solar model from 1985 features a 40mm PVD Black case. It features a Black dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-cf97449077b1]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1985

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