Seiko Cal. 4435 - 931

The Seiko 4435-931 represents an important milestone in Seiko's 1966 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-57dd24d777f1]

Also known as: Helmet, Bellmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Burgundy

Jewels

18j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1966

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