Seiko Cal. 3897 - 453

Released in 1976, the Cal. 3897 with design code 453 was part of Seiko's domestic market collection. With its 22mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-394cf16ba573]

Also known as: Sumo, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1976

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