Seiko Cal. 6641 - 135

This Spring Drive model from 1969 features a 40mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-778a8ad4e7ad]

Also known as: Panda

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1969

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