Seiko Cal. 5621 - 660

The Seiko 5621-660 represents an important milestone in Seiko's 1986 lineup. Powered by the 5621 caliber with 34j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-300bd4154ac1]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1986

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