Seiko Cal. 4410 - 630

The 4410-630 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4410 caliber with 18j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-be0e9ee02edf]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1990

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