Seiko Cal. 3816 - 986

This Hand-Winding model from 1987 features a 44mm Gold-Plated case. Powered by the 3816 caliber with 22j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-3742413728d2]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1987

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