Seiko Cal. 3816 - 486

This Hand-Winding model from 1980 features a 44mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-64ed70ca193c]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

29j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1980

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