Seiko Cal. 3897 - 977

The Seiko 3897-977 represents an important milestone in Seiko's 1987 lineup. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-8afead979985]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1987

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