Seiko Cal. 6381 - 713

The Seiko 6381-713 represents an important milestone in Seiko's 1981 lineup. It features a Navy dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-374cd25eb0d6]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

41mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1981

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