Seiko Cal. 6113 - 687

The Seiko 6113-687 represents an important milestone in Seiko's 1975 lineup. It features a Black dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-0e13aa8f03ab]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

44mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1975

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