Seiko Cal. 3816 - 488

The Seiko 3816-488 represents an important milestone in Seiko's 1980 lineup. It features a Silver dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-5a61bec80995]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1980

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