Seiko Cal. 6316 - 563

This Spring Drive model from 1992 features a 39mm Titanium case. It features a Black dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-de4e43a434e7]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Black

Jewels

34j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1992

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