Seiko Cal. 6656 - 248

This Automatic model from 1977 features a 44mm PVD Black case. Powered by the 6656 caliber with 18j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-bfe10e15feb9]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1977

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