Seiko Cal. 3855 - 780

Released in 1978, the Cal. 3855 with design code 780 was part of Seiko's domestic market collection. With its 20mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-fe2deca603fc]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Navy

Jewels

28j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1978

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