Seiko Cal. 5647 - 131

This Quartz model from 1977 features a 34mm Hardlex-Coated Steel case. It features a Silver dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-5bbf40282c21]

Also known as: Bellmatic, World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1977

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