Seiko Cal. 6632 - 648

The Seiko 6632-648 represents an important milestone in Seiko's 1970 lineup. It features a Silver dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-21cfb4d1d36c]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Silver

Jewels

23j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1970

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