Seiko Cal. 5669 - 374

The Seiko 5669-374 represents an important milestone in Seiko's 1977 lineup. Powered by the 5669 caliber with 31j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-310d3fa13abc]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1977

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