Seiko Cal. 3817 - 685

This Solar model from 1985 features a 44mm PVD Black case. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-66019d081052]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1985

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