Seiko Cal. 3861 - 505

The Seiko 3861-505 represents an important milestone in Seiko's 1977 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-4190ee7b963a]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

24j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1977

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