Seiko Cal. 6645 - 791

The Seiko 6645-791 represents an important milestone in Seiko's 1990 lineup. It features a White dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-5444ec4563e9]

Also known as: Sumo, Pogue

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1990

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