Seiko Cal. 3856 - 260

This Spring Drive model from 1987 features a 41mm PVD Black case. Powered by the 3856 caliber with 30j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-59d77e299700]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1987

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