Seiko Cal. 3898 - 645

Released in 1982, the Cal. 3898 with design code 645 was part of Seiko's domestic market collection. With its 20mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-75dff5fa92b6]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1982

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