Seiko Cal. 6660 - 745

The Seiko 6660-745 represents an important milestone in Seiko's 1997 lineup. It features a Navy dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-c3e5021ab57e]

Also known as: Samurai, Sumo

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

42mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1997

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