Seiko Cal. 3858 - 428

The Seiko 3858-428 represents an important milestone in Seiko's 1979 lineup. Powered by the 3858 caliber with 17j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-a9c4996cde19]

Also known as: Monster, Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

45mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1979

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