Seiko Cal. 5691 - 389

This Automatic model from 1978 features a 46mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-7000bd8e0158]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Burgundy

Jewels

22j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1978

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