Seiko Cal. 6621 - 745

The 6621-745 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6621 caliber with 33j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-74f32f09ae4d]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1990

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