Seiko Cal. 6389 - 401

This Automatic model from 1988 features a 36mm Hardlex-Coated Steel case. Powered by the 6389 caliber with 31j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-3914d9d7bec0]

Also known as: Monster, Shogun

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1988

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