Seiko Cal. 3890 - 227

The Seiko 3890-227 represents an important milestone in Seiko's 1971 lineup. It features a Navy dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-3f6b346c4515]

Also known as: Sportsmatic, Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

17j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1971

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