Seiko Cal. 6356 - 614

The Seiko 6356-614 represents an important milestone in Seiko's 1977 lineup. With its 20mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-df6cdb506c7f]

Also known as: Tuna, Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1977

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