Seiko Cal. 6643 - 525

This Automatic model from 1977 features a 38mm Titanium case. It features a Navy dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-85fa5ce49a21]

Also known as: Panda

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1977

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