Seiko Cal. 4411 - 371

This Hand-Winding model from 1965 features a 41mm Two-Tone case. It features a Green dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-2eedfdfbc7f1]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1965

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