Seiko Cal. 6645 - 203

The 6645-203 is a sought-after Solar piece from Seiko's golden era. Powered by the 6645 caliber with 33j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-b39af90315fb]

Also known as: Turtle, Silverwave

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1976

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