Seiko Cal. 6344 - 641

This Automatic model from 1989 features a 45mm Hardlex-Coated Steel case. It features a Green dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-ccdd8ac9c345]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1989

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