Seiko Cal. 5646 - 506

The 5646-506 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5646 caliber with 24j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-c4f105d6db62]

Also known as: Turtle, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Silver

Jewels

24j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1997

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