Seiko Cal. 5645 - 603

The 5645-603 is a sought-after Kinetic piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-1f7b5632cf37]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1992

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