Seiko Cal. 3856 - 510

The 3856-510 is a sought-after Solar piece from Seiko's golden era. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-cfb40dc6f972]

Also known as: Tuna, Arnie

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1980

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