Seiko Cal. 5671 - 104

The Seiko 5671-104 represents an important milestone in Seiko's 1976 lineup. It features a Navy dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-2577c2363853]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Navy

Jewels

17j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1976

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