Seiko Cal. 6677 - 624

The Seiko 6677-624 represents an important milestone in Seiko's 1969 lineup. Powered by the 6677 caliber with 33j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-746d2070209d]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1969

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