Seiko Cal. 3848 - 621

The Seiko 3848-621 represents an important milestone in Seiko's 1974 lineup. It features a Black dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-2c33495a84b1]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1974

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