Seiko Cal. 3861 - 530

This Automatic model from 1989 features a 36mm Two-Tone case. Powered by the 3861 caliber with 28j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-158206393b4b]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1989

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