Seiko Cal. 6641 - 770

This Quartz model from 1981 features a 39mm Titanium case. It features a Burgundy dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-4e3e71c24cad]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Burgundy

Jewels

36j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1981

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