Seiko Cal. 3851 - 778

This Automatic model from 1990 features a 45mm Hardlex-Coated Steel case. It features a Silver dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-435c42950d33]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1990

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