Seiko Cal. 6644 - 751

This Hand-Winding model from 1978 features a 41mm Gold-Plated case. Powered by the 6644 caliber with 23j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-0392634e174d]

Also known as: Panda

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1978

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