Seiko Cal. 5645 - 531

This Spring Drive model from 1982 features a 36mm Hardlex-Coated Steel case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-2fc5c78f160e]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1982

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