Seiko Cal. 5673 - 371

The Seiko 5673-371 represents an important milestone in Seiko's 1969 lineup. Powered by the 5673 caliber with 18j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-d7927bccf3c9]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Champagne

Jewels

18j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1969

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