Seiko Cal. 4591 - 445

Released in 1986, the Cal. 4591 with design code 445 was part of Seiko's domestic market collection. It features a Silver dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-e8cb7659aa6a]

Also known as: Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1986

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