Seiko Cal. 5646 - 697

This Quartz model from 1989 features a 44mm PVD Black case. Powered by the 5646 caliber with 27j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-069c39df8b67]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1989

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