Seiko Cal. 5647 - 656

Released in 1978, the Cal. 5647 with design code 656 was part of Seiko's domestic market collection. Powered by the 5647 caliber with 27j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-cdc37774842d]

Also known as: Panda, Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1978

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