Seiko Cal. 4540 - 805

This Hand-Winding model from 1971 features a 43mm Hardlex-Coated Steel case. It features a Silver dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-fc88da2eff0e]

Also known as: Helmet, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1971

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