Seiko Cal. 6645 - 375

The Seiko 6645-375 represents an important milestone in Seiko's 1999 lineup. It features a Navy dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-3c4e714ebc46]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1999

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