Seiko Cal. 6645 - 627

The 6645-627 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6645 caliber with 18j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-7a6ba4127e52]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1990

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