Seiko Cal. 4590 - 372

This Hand-Winding model from 1998 features a 39mm Two-Tone case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-4a665ef8b1a0]

Also known as: Helmet, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1998

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