Seiko Cal. 6678 - 344

The Seiko 6678-344 represents an important milestone in Seiko's 1988 lineup. Powered by the 6678 caliber with 25j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-a0802aa86036]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1988

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