Seiko Cal. 4497 - 851

The Seiko 4497-851 represents an important milestone in Seiko's 1965 lineup. It features a Silver dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-3787fbc5ba97]

Also known as: Shogun, Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1965

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