Seiko Cal. 6621 - 745

Seiko 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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