Seiko Cal. 4437 - 918

This Quartz model from 1991 features a 45mm Two-Tone case. It features a Green dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-42bb6a86c1c8]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1991

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