Seiko Cal. 6645 - 335

The Seiko 6645-335 represents an important milestone in Seiko's 1993 lineup. Powered by the 6645 caliber with 30j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-8e9c3e6cf887]

Also known as: Turtle, Monster

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1993

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