Seiko Cal. 3861 - 461

The Seiko 3861-461 represents an important milestone in Seiko's 1977 lineup. Powered by the 3861 caliber with 30j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-abe53d8f9aac]

Also known as: Tuna, Pogue

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

30j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1977

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