Seiko Cal. 5665 - 402

The Seiko 5665-402 represents an important milestone in Seiko's 1991 lineup. Powered by the 5665 caliber with 21j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-be1b5476b491]

Also known as: Pogue, Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1991

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