Seiko Cal. 6640 - 282

This Spring Drive model from 1972 features a 41mm Two-Tone case. It features a Champagne dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-7131c0961bc7]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1972

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