Seiko Cal. 3856 - 979

The 3856-979 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-49dc7bddc119]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1992

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