Seiko Cal. 5617 - 421

The Seiko 5617-421 represents an important milestone in Seiko's 1977 lineup. It features a White dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-55d8d4478acd]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1977

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