Seiko Cal. 6645 - 510

The Seiko 6645-510 represents an important milestone in Seiko's 1991 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-d08db261edce]

Also known as: Panda, Helmet

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Burgundy

Jewels

27j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1991

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