Seiko Cal. 3855 - 673

This Hand-Winding model from 1975 features a 43mm Two-Tone case. With its 19mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-174e038754e7]

Also known as: Monster, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1975

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