Seiko Cal. 6661 - 671

The Seiko 6661-671 represents an important milestone in Seiko's 1968 lineup. It features a Champagne dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-fc1259bddeb7]

Also known as: Sumo, Panda

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Champagne

Jewels

28j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1968

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