Seiko Cal. 4437 - 855

The Seiko 4437-855 represents an important milestone in Seiko's 1973 lineup. It features a Silver dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-99233e09f23a]

Also known as: Samurai, Bullhead

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1973

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