Seiko Cal. 4436 - 425

This Hand-Winding model from 1971 features a 41mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-00c7dfa01134]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1971

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