Seiko Cal. 4434 - 397

The 4434-397 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4434 caliber with 36j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-7e6ca8dd4992]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Champagne

Jewels

36j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1993

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