Seiko Cal. 0731 - 153

The Seiko 0731-153 represents an important milestone in Seiko's 1977 lineup. It features a Navy dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-140009615cf0]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1977

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