Seiko Cal. 5687 - 352

The Seiko 5687-352 represents an important milestone in Seiko's 1978 lineup. Powered by the 5687 caliber with 32j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-112d78360006]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Champagne

Jewels

32j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1978

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