Seiko Cal. 3869 - 538

The Seiko 3869-538 represents an important milestone in Seiko's 1993 lineup. Powered by the 3869 caliber with 21j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-824ef4824a2a]

Also known as: Monster, Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1993

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