Seiko Cal. 4441 - 182

The 4441-182 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-3b9e5f291b26]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1969

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