Seiko Cal. 4456 - 337

The Seiko 4456-337 represents an important milestone in Seiko's 1987 lineup. With its 21mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-7e8c97c85019]

Also known as: Samurai, Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1987

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