Seiko Cal. 6642 - 166

The Seiko 6642-166 represents an important milestone in Seiko's 1970 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-3d3ade78dc7d]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Burgundy

Jewels

30j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1970

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