Seiko Cal. 5681 - 810

This Spring Drive model from 1990 features a 46mm Titanium case. It features a Green dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-88fa682b0f3b]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

27j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1990

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