Seiko Cal. 3828 - 630

The Seiko 3828-630 represents an important milestone in Seiko's 1978 lineup. Powered by the 3828 caliber with 27j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-31f8df684c0d]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1978

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