Seiko Cal. 4437 - 289

The Seiko 4437-289 represents an important milestone in Seiko's 1977 lineup. It features a Navy dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-2f437aa39aab]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1977

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