Seiko Cal. 4442 - 310

The Seiko 4442-310 represents an important milestone in Seiko's 1993 lineup. It features a Green dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-546ad361ffa4]

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1993

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