Seiko Cal. 3870 - 355

The Seiko 3870-355 represents an important milestone in Seiko's 1998 lineup. With its 22mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-1bbdf058884f]

Also known as: Tuna, Crown

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1998

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