Seiko Cal. 5251 - 440

The Seiko 5251-440 represents an important milestone in Seiko's 1976 lineup. It features a Green dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-e165e495755e]

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1976

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