Seiko Cal. 4591 - 935

The Seiko 4591-935 represents an important milestone in Seiko's 1991 lineup. It features a Navy dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-de64af9393a6]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1991

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