Seiko Cal. 4591 - 616

The Seiko 4591-616 represents an important milestone in Seiko's 1988 lineup. It features a Green dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-90b058baedc8]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1988

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