Seiko Cal. 6657 - 605

The 6657-605 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6657 caliber with 31j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-5807652bf7b4]

Also known as: Pogue, Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

31j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1974

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