Seiko Cal. 4438 - 128

The 4438-128 is a sought-after Automatic piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-ae72f0f332d0]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1991

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