Seiko Cal. 6640 - 997

This Automatic model from 1969 features a 38mm Stainless Steel case. It features a Silver dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-66d7b0f915e3]

Also known as: Panda, Arnie

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1969

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