Seiko Cal. 3816 - 387

This Quartz model from 1985 features a 42mm Hardlex-Coated Steel case. It features a White dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-68b4b06bfbc2]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1985

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