Seiko Cal. 4431 - 156

The Seiko 4431-156 represents an important milestone in Seiko's 1994 lineup. It features a Green dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-31336a9dc231]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1994

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