Seiko Cal. 4434 - 628

This Spring Drive model from 1966 features a 46mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-3df3409a2ba6]

Also known as: Monster, World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Champagne

Jewels

20j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1966

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