Seiko Cal. 3818 - 398

The Seiko 3818-398 represents an important milestone in Seiko's 1979 lineup. It features a Navy dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-84e047235255]

Also known as: UFO, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1979

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