Seiko Cal. 3840 - 148

The Seiko 3840-148 represents an important milestone in Seiko's 1982 lineup. It features a Silver dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-2c567715c7e5]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

43mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1982

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