Seiko Cal. 3812 - 715

This Automatic model from 1980 features a 42mm Hardlex-Coated Steel case. It features a White dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-daac4e167f47]

Also known as: Tuna, Bellmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1980

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